* A workaround to use the Web Client in Zimbra Collaboration 8.6 is to click in Settings in Microsoft Edge and then click in '''Open with Internet Explorer''':

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The following screenshots were taken with the latest Release of Zimbra Collaboration 7.2.7, and the Microsoft Edge v 20.10162.0.0 Web Browser. The screens, or the functionality, can change when Microsoft finally releases Microsoft Windows 10.

- This article is a Community contribution and may include unsupported customizations.

Introduction

Microsoft Edge, initially developed under the codename Project Spartan, is a web browser in development by Microsoft. Officially unveiled on January 21, 2015, and first publicly released as a preview on March 30, 2015, it will replace Internet Explorer as the default browser on Windows 10 PCs, smartphones and tablets.

Microsoft Edge is designed to be a lightweight web browser with a layout engine built around web standards, removing support for legacy technologies such as ActiveX in favor of extensions and integration with other Microsoft services, such as the digital assistant Cortana, OneDrive, and also includes annotation tools and a reading mode.

Zimbra Collaboration Web Client and Microsoft Edge

Microsoft Edge is not currently officially supported by Zimbra in any Release yet. However in this Wiki you will find that Microsoft Edge is showing properly the upcoming Zimbra Collaboration 8.7, but the Offline Mode is still not currently available in Microsoft Edge.

Zimbra Collaboration 8.7 with Microsoft Edge

The following screenshots were taken with the latest Beta of Zimbra Collaboration 8.7 and the Microsoft Edge v 20.10162.0.0 Web Browser. This screens or the functionality can change when Microsoft finally releases Microsoft Windows 10.

Web Client Smoke Tests

Open Microsoft Edge and type the Zimbra Collaboration 8.7 FQDN:

The Web Client is able to load successfully, and you can move between all the Folders and Emails without issues:

The Briefcase works, and we can Upload and preview a image without issues:

Compose a new HTML email using a new window also works without issue:

The Offline Mode is not available for Microsoft Edge:

Zimbra Collaboration 8.6 with Microsoft Edge

The following screenshots were taken with the latest Release of Zimbra Collaboration 8.6, plus Patch 3, and the Microsoft Edge v 20.10162.0.0 Web Browser. The screens, or the functionality, can change when Microsoft finally releases Microsoft Windows 10.

Web Client Smoke Tests

Open Microsoft Edge and type the Zimbra Collaboration 8.6 FQDN:

The Web Client is not able to load successfully, and remains stuck on the Loading page:

The Web Client in HTML version is able to load successfully, and you can move between all the Folders and Emails without issues:

Zimbra Collaboration 8.0.9 with Microsoft Edge

The following screenshots were taken with the latest Release of Zimbra Collaboration 8.0.9, and the Microsoft Edge v 20.10162.0.0 Web Browser. The screens, or the functionality, can change when Microsoft finally releases Microsoft Windows 10.

Web Client Smoke Tests

Open Microsoft Edge and type the Zimbra Collaboration 8.0.9 FQDN:

The Web Client is not able to load successfully, and remains stuck on the 'Loading page:

Zimbra Collaboration 7.2.7 with Microsoft Edge

The following screenshots were taken with the latest Release of Zimbra Collaboration 7.2.7, and the Microsoft Edge v 20.10162.0.0 Web Browser. The screens, or the functionality, can change when Microsoft finally releases Microsoft Windows 10.

Web Client Smoke Tests

Open Microsoft Edge and type the Zimbra Collaboration 7.2.7 FQDN:

The Web Client is not able to load successfully, and remains stuck on the 'Loading page:

Workaround

A workaround to use the Web Client in Zimbra Collaboration 7.2.7 is to click in Settings in Microsoft Edge and then click in Open with Internet Explorer: